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OptiPlex 740 Wiring

I have an old OptiPlex 740 that I need to hook up and see if some files are on it. The cables inside have been disconnected, so it won't boot up. When opening the case, and plugging in the power, a little yellow light in the inside comes on, but it wont start up when pressing the power button. When disconnecting the power, I can hear the disk drive turn off, and the light turns off, so it's getting power but not starting up.

Can anyone help me out?

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RE: OptiPlex 740 Wiring

Hello M4rs

Thanks for writing to us. 

When you press the power button, does it powers up at a second? How about the green light on the PSU at the back?

Disconnect the memory modules and try to power on. If it powers on without the memory modules, then shut down the machine again, and try with one module at a time. 

If its still not working, then we are looking at a faulty motherboard and/or PSU

Regards

DELL-Hemalatha P
Social Media Support
#IWork4Dell
Dell Support Videos 
Drivers and Downloads

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5 Tungsten

RE: OptiPlex 740 Wiring

Hi We are awaiting your response. Also do send  us your system tag#, name and email address via personal message by clicking on my name in blue

DELL-Hemalatha P
Social Media Support
#IWork4Dell
Dell Support Videos 
Drivers and Downloads

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